Rostrenen (French pronunciation: [ʁɔstʁənɛ̃]; Breton: Rostrenenn) is a commune in the Côtes-d'Armor department and Brittany region of northwestern France.
Geography
Neighbouring communes
Rostrenen is border by Mellionnec to the south, Plouguernevel to the east, Kergrist-Moëlou to the north, and Glomel to the west.
Climate
Rostrenen has a oceanic climate (Köppen climate classification Cfb). The average annual temperature in Rostrenen is 10.7 °C (51.3 °F). The average annual rainfall is 1,145.7 mm (45.11 in) with January as the wettest month. The temperatures are highest on average in August, at around 17.0 °C (62.6 °F), and lowest in January, at around 5.2 °C (41.4 °F). The highest temperature ever recorded in Rostrenen was 37.9 °C (100.2 °F) on 9 August 2003; the coldest temperature ever recorded was −13.9 °C (7.0 °F) on 20 January 1963.
| Climate data for Rostrenen (1981–2010 averages, extremes 1954−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 15.8 (60.4) |
21.3 (70.3) |
24.1 (75.4) |
27.2 (81.0) |
28.5 (83.3) |
33.9 (93.0) |
35.1 (95.2) |
37.9 (100.2) |
32.3 (90.1) |
27.8 (82.0) |
19.2 (66.6) |
16.0 (60.8) |
37.9 (100.2) |
| Mean daily maximum °C (°F) | 7.6 (45.7) |
8.1 (46.6) |
10.8 (51.4) |
12.9 (55.2) |
16.2 (61.2) |
19.4 (66.9) |
21.4 (70.5) |
21.5 (70.7) |
19.0 (66.2) |
14.9 (58.8) |
10.8 (51.4) |
8.1 (46.6) |
14.3 (57.7) |
| Daily mean °C (°F) | 5.2 (41.4) |
5.3 (41.5) |
7.4 (45.3) |
9.0 (48.2) |
12.2 (54.0) |
14.9 (58.8) |
17.0 (62.6) |
17.0 (62.6) |
15.0 (59.0) |
11.7 (53.1) |
8.1 (46.6) |
5.7 (42.3) |
10.7 (51.3) |
| Mean daily minimum °C (°F) | 2.7 (36.9) |
2.5 (36.5) |
4.0 (39.2) |
5.1 (41.2) |
8.1 (46.6) |
10.5 (50.9) |
12.5 (54.5) |
12.5 (54.5) |
10.9 (51.6) |
8.5 (47.3) |
5.3 (41.5) |
3.3 (37.9) |
7.2 (45.0) |
| Record low °C (°F) | −13.9 (7.0) |
−12.0 (10.4) |
−7.9 (17.8) |
−3.2 (26.2) |
−0.2 (31.6) |
2.9 (37.2) |
5.9 (42.6) |
5.6 (42.1) |
3.0 (37.4) |
−1.9 (28.6) |
−5.2 (22.6) |
−9.6 (14.7) |
−13.9 (7.0) |
| Average precipitation mm (inches) | 137.3 (5.41) |
104.9 (4.13) |
92.3 (3.63) |
82.2 (3.24) |
85.3 (3.36) |
55.0 (2.17) |
63.1 (2.48) |
58.5 (2.30) |
83.3 (3.28) |
126.2 (4.97) |
120.6 (4.75) |
137.0 (5.39) |
1,145.7 (45.11) |
| Average precipitation days (≥ 1.0 mm) | 16.6 | 13.7 | 13.8 | 12.6 | 11.6 | 8.8 | 9.6 | 9.5 | 10.6 | 15.1 | 15.5 | 16.2 | 153.6 |
| Mean monthly sunshine hours | 60.4 | 76.9 | 117.1 | 146.5 | 173.0 | 195.8 | 175.5 | 167.8 | 157.2 | 99.0 | 73.4 | 61.5 | 1,504.2 |
| Source: Météo France[3] | |||||||||||||
Population
In French the inhabitants of Rostrenen are known as Rostrenois.
| Year | Pop. | ±% p.a. |
|---|---|---|
| 1968 | 3,658 | — |
| 1975 | 3,875 | +0.83% |
| 1982 | 3,868 | −0.03% |
| 1990 | 3,664 | −0.67% |
| 1999 | 3,616 | −0.15% |
| 2007 | 3,392 | −0.80% |
| 2012 | 3,256 | −0.82% |
| 2017 | 3,060 | −1.23% |
| Source: INSEE[4] | ||
Map
Breton language
On 13 September 2004 the municipality launched a linguistic plan as part of the Ya d'ar brezhoneg (Yes to Breton) campaign. In 2008, 34.5% of primary children attended bilingual schools.[5]
See also
References
- ^ "Répertoire national des élus: les maires" (in French). data.gouv.fr, Plateforme ouverte des données publiques françaises. 13 September 2022.
- ^ "Populations légales 2021". The National Institute of Statistics and Economic Studies. 28 December 2023.
- ^ "Climate of Rostrenen 1981-2010" (PDF) (in French). Météo-France. Retrieved 19 June 2022.
- ^ Population en historique depuis 1968, INSEE
- ^ (in French) Ofis ar Brezhoneg: Enseignement bilingue
External links
- Official website (in French)
- Base Mérimée: Search for heritage in the commune, Ministère français de la Culture. (in French)
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